Version 7.3 - Interactive Mode and Unattended Mode - Veritas Backup Exec

This is a discussion on Version 7.3 - Interactive Mode and Unattended Mode - Veritas Backup Exec ; Does anyone know how to switch modes? Read manual, no help. Looked at Help files, no help. Looked on Website/Support page, no help. Trying this, hope better response. Thanks in advance benn dunn...